Visit the official site: He cant stand on the sidelines a moment longer - its time for Melvin to shine at Boot Camp. Will the Judges be .\r
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Judges are assigned one of four categories - girls, groups, guys or over-25s.\r
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Visit the official site: Melvin and Rochelle put our Guest Judge Louis Tomlinson to the test by using One Directions very own lyrics! Watch .\r
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Visit the official site: Melvin and Rochelle catch up with the Judges after selecting their final three acts, with Simon revealing that hes .
